[gtk+/wip/garnacho/gdkseat: 65/74] wayland: Make gdk_wayland_device_get_focus() work on touch

[Carlos Garnacho <carlosg src gnome org>]

commit b024a195a15005cb645a21e561a61bbede413921
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Dec 9 12:42:33 2015 +0100

    wayland: Make gdk_wayland_device_get_focus() work on touch
    
    So we can figure out the focus for the master device.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=759309

 gdk/wayland/gdkdevice-wayland.c |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/gdk/wayland/gdkdevice-wayland.c b/gdk/wayland/gdkdevice-wayland.c
index d3afa3f..81fb412 100644
--- a/gdk/wayland/gdkdevice-wayland.c
+++ b/gdk/wayland/gdkdevice-wayland.c
@@ -488,12 +488,17 @@ device_emit_grab_crossing (GdkDevice       *device,
 static GdkWindow *
 gdk_wayland_device_get_focus (GdkDevice *device)
 {
-  GdkWaylandDeviceData *wayland_device = GDK_WAYLAND_DEVICE (device)->device;
-
-  if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
-    return wayland_device->keyboard_focus;
+  GdkWaylandSeat *wayland_seat = GDK_WAYLAND_DEVICE (device)->device;
+
+  if (device == wayland_seat->master_keyboard)
+    return wayland_seat->keyboard_focus;
+  else if (device == wayland_seat->master_pointer)
+    return wayland_seat->pointer_focus;
+  else if (device == wayland_seat->touch_master &&
+           GDK_WAYLAND_DEVICE(device)->emulating_touch)
+    return GDK_WAYLAND_DEVICE(device)->emulating_touch->window;
   else
-    return wayland_device->pointer_focus;
+    return NULL;
 }
 
 static GdkGrabStatus